{
  "manageEntity": {
    "action": "Repost",
    "entityId": "661591692",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x0ffbdd6f12d7fe1878461bcb68ce5559f05cd28a0fd510707e3fc15ca5147510",
    "signature": "0x18b5eb261283fff064ecd4edfad5b513b60823d2a27fbd224ea3bf084a011d662096058ecef58be22152231585f469d28a9fe25311612837970a40d87a597d681c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}